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Christine added: "All of a sudden there was a bit of a commotion and people started to run. At first we weren’t really sure what was happening but I could hear popping sounds and obviously that was gunfire, but we didn’t realise it at the time.

“Then people were running, it was like a stampede. We weren’t sure what was going on. Because there was such confusion, no one knew what was happening. The reception area cleared out - people lay down on the floor. There was no alarm.

“One of the staff said it was unusual, normally an alarm would sound, that’s why they were confused as well. Because it happened so quickly.

Panicked crowds at the Route 91 Harvest country music festival (Image: Getty Images North America)

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“We ran out to the front of the hotel, people were talking, said there was shooting at the Mandalay Bay hotel, which wasn’t too far from us because we could hear the gunfire.

“We thought then 'we have to get back inside'. We managed to speak to one of the pit bosses, asked what’s going on, because the casino had cleared out quite a bit, but there were still people on the slot machines."

Officers hunting a woman, described as Paddock's "roommate", have also confirmed that she has been found.